# # 数学运算符
# # % 取模运算符,求2个数的余数
# print(10 % 2)
# print(10 % 3)
# print(1 ** 3)
# print(2 ** 3)
# print(4 ** 3)
#
# a = 10
# b = 10
# print(a / b)
# print(a//b)
# print(a == b)
# print(a > b)
# print("==" * 20 )
# print(a is b)
# print("==" * 20 )
# w = "ls"
# s = "of"
# c = "lsof"
# print(w is s)
# print(w is not s)
# print((w + s) == c)
# print("==" * 20)
#
# # int
# str1 = 12
# num1 = int(str1)
# print(num1, type(num1))
# str2 = 'abc'
# # print(int(str2)) # 转换不了
# print("==" * 20)
# str4 = '10.3'
# num2 = (int(str4))
# # print(num2, type(num2))
# print("==" * 20)
# # float
# float1 = 10.3
# print(int(flot1), type(int(flot1)))
# num1 = (float(float1))
# print(num1, type(num1))
names = [['张飞', '刘备', '关羽'], ['曹操', '典韦', '司马懿']]
li = []
for i in names:
    li.extend(i)
    print(li)
